5La SO2 gas detection tube Sulphur dioxide

NegotiableUpdate on 06/06

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

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Overview

5La SO2 gas detection tube Sulphur dioxide，Measuring Range 0.5 to 1 ppm 1 to 20 ppm 2 to 30 ppm 30 to 60 ppm， Portable gas detector, hydrogen alarm, all available on the China Environmental Emergency Monitoring Instrument Network. Emergency detection boxes for chemical accidents, nuclear and chemical emergencies, as well as emergency detection boxes for sudden incidents. Standard configuration includes detection tubes, water quality emergency detection boxes, emergency gas detection boxes for sudden incidents, and emergency detection boxes for sudden disasters in public places

Product Details

5La SO2 气体检测管 Sulphur dioxide

Sulphur dioxide No.5LA

SO2

Performance

MeasuringRange	0.5 to 1 ppm	1 to 20 ppm	2 to 30 ppm	30 to 60 ppm
Number of PumpStrokes	8	4	2	1
CorrectionFactor	1/4	1/2	1	2
SamplingTime	1 minute per pumpstroke
DetectingLimit	0.1ppm (n=8)
ColorChange	Blue → Yellow
ReactionPrinciple	SO2 +BaCl2 +H2O 仺 BaSO3 +2HCl HCl+Base 仺 Chloride
Coefficient ofVariation	10% (for2 to 10 ppm), 5% (for 10 to 30 ppm)
ShelfLife	3Years
Correctionsfor temperature & humidity	Unnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences

(NOTE)

Substance	Concentration	Interference	Change color by itself
Carbonmonoxide, Nitric oxide	-	No effect	Nodiscoloration
Carbondioxide	100%	Faintdemarcation	100% CO₂gives faint demarcation
Nitrogendioxide	1:1	Plus error	Produces pale purplediscoloration
Hydrogensulfide	-	No effect	Nodiscoloration

Othersubstance measurable with this detector tube

Substance	Correction Factor	pump strokes	Measuring range
Thionylchloride	0.72	2	1.44 to 21.6ppm

Calibration gasgeneration

Permeation tubemethod

TLV-TWA	TLV-STEL	Explosive range
2ppm	5ppm	-